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Finding the Third Proportional to 801.84 and 1,761.19

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Solution

The third proportional to 801.84 and 1,761.19 is: 3,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.84 : 1,761.19 = 1,761.19 : x
  2. Step 2: Convert to fraction form
    801.84/1,761.19 = 1,761.19/x
  3. Step 3: Cross multiply
    801.84x = 1,761.19 × 1,761.19
  4. Step 4: Simplify right side
    801.84x = 3,101,781.41
  5. Step 5: Solve for x
    x = 3,101,781.41/801.84
  6. Step 6: Final answer
    x = 3,868.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.